I know we (Mozilla) are working on fixing this in Firefox: https://bugzilla.mozilla.org/show_bug.cgi?id=1515073
You may want to check Apple's bug tracker, they likely have an open issue on this already.
You may want to check Apple's bug tracker, they likely have an open issue on this already.
For me, uMatrix blocks it; it redirects through https://guce.advertising.com/collectIdentifiers. I could disable it or go through IA or whatever, but I really haven't the patience to deal with these websites.